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If you co-founded the company that became Google AdSense, as Gil Elbaz did with Applied Semantics, you don’t have any problem finding investors when you want to start a new venture. Elbaz sold Applied Semantics to Google for $100 million in 2003, and launched his latest startup, Factual, last October. He doesn’t really need the money, but so many all-star investors were clamoring to get in that he raised just over $1 million in an angel round.

Factual is setting out to get people to create as many open databases as possible by providing tools for creating table son any topic, embedding them and sharing them. There are already hundreds fo thousands of tables on Factual, dome large some small. For instance, Creative Commons created a database filled with Websites using Creative Commons licenses that contains 4 million rows. All the data in Factual is editable in a wiki-like fashion and is available through Factual APIs.

Chris Dixon, founding partner of Founder Collective (and CEO of Hunch) says they invested because of Factual’s “huge ambition.” In order for the Web to become programmable, it needs data and lots of it. “I think of it as Wikipedia for structured database-like information,” says Dixon. It joins many other efforts pursuing similar ambitions, include Freebase, Wolfram Alpha, and even Google.

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CrunchBase

OverviewGoogle is a multinational corporation that is specialized in internet-related services and products. The company’s product portfolio includes Google Search, which provides users with access to information online; Knowledge Graph that allows to search for things, people, or places as well as builds systems recognizing speech and understanding natural language; Google Now, which provides information …

OverviewApplied Semantics is a producer of software applications for the online advertising, domain name, and enterprise information management markets.
Applied Semantics was acquired by Google in April of 2003.

OverviewFreebase is a large collaborative knowledge base consisting of metadata composed mainly by its community members. It is an online collection of structured data harvested from many sources, including individual 'wiki' contributions. Freebase aims to create a global resource which allows people (and machines) to access common information more effectively. It was developed by the American software …

OverviewWolfram Research is building a computational knowledge engine called Wolfram|Alpha for the web to be launched in May 2009. The product will contain data in various fields including physical sciences, technology, geography, weather, cooking, business, music, etc. in order to provide answers to questions that users input. Its language interface will accommodate variations in how users frame their questions, …